$(document).ready( function () {
    $(".external").append('&nbsp;<img src="/images/v3/ico-external.gif" width="13" height="9" alt="" />');
    $(".external img").css("vertical-align","text-top");
    $(".external").after('&nbsp;');
    $('.external').click(function(){
        window.open(this.href, '_blank');
        return false;
    });
});